/Engine/Plugins/Runtime/OpenXR/Source/OpenXRHMD/Public/IOpenXRExtensionPluginDelegates.h
typedef [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [FOpenXRExtensionChainStruct](API\Plugins\OpenXRHMD\FOpenXRExtensionChainStruct) > FOpenXRExtensionChainStructPtr